The Model 66 is the stainless steel version of the Model 19 Combat Magnum, introduced to address the corrosion issues of blued steel in high-use service applications. Carried by the FBI as their standard duty revolver for years. Reintroduced in 2014 after discontinuation in 2005. Type: Revolver Action: Double-Action Caliber: .357 Magnum Capacity: 6 Year introduced: 1970, USA Weight: 36.5 oz Overall length: 9.5" Status: Active Intended use: Duty, Service, Home Defense, Collector